<template>

    <el-container class="home-container">
        <el-header>
            <div>
                <img src="~assets/logo.png" alt="">
                <span>电商后台管理系统</span>
            </div>
           <el-button type="info" @click="logout">退出</el-button>
        </el-header>
        <el-container>
            <el-aside :width="asideWidth">
                <div class="toggle-button" @click="toggleCollapse">|||</div>
                <el-menu background-color="#333744" text-color="#fff" 
                         active-text-color="#409efe" unique-opened :collapse="isCollapse"
                         :collapse-transition="false" :router="true"
                         :default-active="this.$route.path">
                    <el-submenu :index="item.id + ''" v-for="item in menuList" :key="item.id">
                        <template slot="title">
                            <i :class="iconObj[item.id]"></i>
                            <span>{{item.authName}}</span>
                        </template>
                        <el-menu-item :index="'/' + subItem.path" v-for="subItem in item.children" :key="subItem.id">
                            <template slot="title">
                                <i class="el-icon-menu"></i>
                                <span>{{subItem.authName}}</span>
                            </template>
                        </el-menu-item>
                    </el-submenu>
                </el-menu>
            </el-aside>
            <el-main>
                <router-view></router-view>
            </el-main>
        </el-container>
    </el-container>
</template>
<script>
export default {
    data() {
        return {
            menuList: [],
            iconObj:{
                '125': 'iconfont icon-user',
                '103': 'iconfont icon-tijikongjian',
                '101': 'iconfont icon-shangpin',
                '102': 'iconfont icon-danju',
                '145': 'iconfont icon-baobiao'
            },
            isCollapse: false
        }
    },
    created(){
       this.getMenuList()
    },
    computed:{
        asideWidth(){
            return this.isCollapse ? '64px' : '200px'
        }
    },
    methods: {
        logout(){
          window.sessionStorage.removeItem('token')
          this.$router.replace("/login")
        },
        async getMenuList(){
            const { data: res } = await this.$http.get('menus')
            if(res.meta.status !== 200) return this.$message.error(res.meta.msg)
            this.menuList = res.data
        },
        toggleCollapse(){
            this.isCollapse = !this.isCollapse
        }
    }
}
</script>
<style lang="less" scoped>
.home-container{
    height: 100%;
}
.el-header{
    background-color: #373d41;
    display: flex;
    justify-content: space-between;
    padding-left: 0;
    align-items: center;
    img{
        width: 50px;
    }
    > div{
        display: flex;
        align-items: center;
        span{
            margin-left: 15px;
        }
    }
}
.el-aside{
    background-color: #333744;
    .el-menu{
        border-right: none;
    }
}
.el-main{
    background-color: #eaedf1;
}
.iconfont{
    margin-right: 10px;
}
.toggle-button{
    background-color: #4a5064;
    font-size: 10px;
    line-height: 24px;
    color: #fff;
    text-align: center;
    letter-spacing: 0.2em;
    cursor: pointer;
}
</style>